Page 250 - Villas at Savona Close-out Manual

the ground surface and adjacent structures during the work.
Names and qualification statements for all personnel who will be working in the drilling,
grouting, and monitoring operations. This listing shall include all drillers, mixer and
pump operators, grout header technicians, and all monitoring personnel. All listed
personnel must have a minimum of three years continuous experience in similar grouting
work.
A description of the drilling methods and equipment to be used.
A description of the casing and casing withdrawal system to be used, including a review
of previous experience in the use of such casing in similar soils and to similar depths as
the contemplated project. (Cement Grout)
Grout material sources, including grain size distribution and PI or hydrometer test results
of the aggregate to be used and the proposed mix design. (Cement Grout)
Methods and equipment for calibration of the proportioning of the grout constituents.
(Cement Grout)
Methods and equipment for calibration of the grout quantity pumped and pumping rate.
Statement of proposed sequence of operations. Description of grout injection operations.
Method of structural lifting and description of proposed grout-jacking operations.
Copies of proposed drilling and grouting record forms.

B. Monitoring Procedures. General plan and description of proposed monitoring operations.
Description and specifications of monitoring equipment and instruments.
Proposed methods to obtain and record monitoring data. Copies of proposed monitoring
data forms.

1.6 MEASUREMENT AND PAYMENT.

A. Foam Grout Measurement. This Item will be measured by the pound of high density polyurethane
material injected and accepted.

B. Cement Grout Measurement. This Item will be measured by the cubic foot of grout material
injected and accepted.

C. Payment. The work performed and materials furnished in accordance with this Item and measured
as provided under “Measurement” will be paid for at the unit price bid for “S”. This price will be
full compensation for furnishing and injecting material, all labor, materials, tools, and incidentals.

2. MATERIALS

2.1 CEMENT GROUT

A. GROUT MIXTURE
The grout mixture shall consist of cement, water, and aggregate. The slump shall not exceed 1.5 in.
when measured using the ASTM C143 slump test cone.
The grout shall obtain a minimum unconfined compressive strength of 3000 lb/in² when tested in
accordance with the requirements of ASTM C39.
Additives such as concrete pumping aids, gums, gelling agents, high-plasticity clay (e.g.,

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HEERUP ENGINEERING, PC January 16
Villas at Savona 03229